Home / 141,458.22-195,212.88-77,800.02

Finding the Fourth Proportional to 141,458.22, 195,212.88 and 77,800.02

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Solution

The fourth proportional to 141,458.22, 195,212.88 and 77,800.02 is: 107,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,458.22 : 195,212.88 = 77,800.02 : x
  2. Step 2: Convert to fraction form
    141,458.22/195,212.88 = 77,800.02/x
  3. Step 3: Cross multiply
    141,458.22x = 195,212.88 × 77,800.02
  4. Step 4: Simplify right side
    141,458.22x = 15,187,565,968.26
  5. Step 5: Solve for x
    x = 15,187,565,968.26/141,458.22
  6. Step 6: Final answer
    x = 107,364.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.